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validate port conflicts

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closes #23
This commit is contained in:
MinRK
2014-09-09 22:38:48 -07:00
parent 7f93ea2325
commit d3c35bbf6e
1 changed files with 20 additions and 4 deletions
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24
jupyterhub/app.py
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@@ -21,7 +21,7 @@ from IPython.utils.traitlets import (
Unicode, Integer, Dict, TraitError, List, Instance, Bool, Bytes, Any,
DottedObjectName,
)
from IPython.config import Application
from IPython.config import Application, catch_config_error
from IPython.utils.importstring import import_item
here = os.path.dirname(__file__)
@@ -47,7 +47,14 @@ class RedirectHandler(web.RedirectHandler):
return super(RedirectHandler, self).get(*a, **kw)
class JupyterHubApp(Application):
"""An Application for starting a Multi-User Notebook server."""
"""An Application for starting a Multi-User Jupyter Notebook server."""
description = """Start a multi-user Jupyter Notebook server
spawns a configurable-http-proxy and multi-user Hub,
which authenticates users and spawns single-user Notebook servers
on behalf of users.
"""
data_files_path = Unicode(DATA_FILES_PATH, config=True,
help="The location of jupyter data files (e.g. /usr/local/share/jupyter)"
)
@@ -171,7 +178,7 @@ class JupyterHubApp(Application):
def _log_format_default(self):
"""override default log format to include time"""
return u"H %(color)s[%(levelname)1.1s %(asctime)s.%(msecs).03d %(name)s]%(end_color)s %(message)s"
return u"%(color)s[%(levelname)1.1s %(asctime)s.%(msecs).03d %(name)s]%(end_color)s %(message)s"
def init_logging(self):
# This prevents double log messages because tornado use a root logger that
@@ -185,6 +192,13 @@ class JupyterHubApp(Application):
logger.parent = self.log
logger.setLevel(self.log.level)
def init_ports(self):
if self.hub_port == self.port:
raise TraitError("The hub and proxy cannot both listen on port %i" % self.port)
if self.hub_port == self.proxy_api_port:
raise TraitError("The hub and proxy API cannot both listen on port %i" % self.hub_port)
if self.proxy_api_port == self.port:
raise TraitError("The proxy's public and API ports cannot both be %i" % self.port)
@staticmethod
def add_url_prefix(prefix, handlers):
@@ -298,10 +312,12 @@ class JupyterHubApp(Application):
def init_tornado_application(self):
"""Instantiate the tornado Application object"""
self.tornado_application = web.Application(self.handlers, **self.tornado_settings)
@catch_config_error
def initialize(self, *args, **kwargs):
super(JupyterHubApp, self).initialize(*args, **kwargs)
self.init_logging()
self.init_ports()
self.init_db()
self.init_hub()
self.init_proxy()